Power Systems Stock bridge dampers are used to reduce the tension reduce the vibrations at the point of support All of these increase the sag reduce the tension reduce the vibrations at the point of support All of these increase the sag ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? IDMT relay. Buchholz relay. Impedance relay. Mho relay. IDMT relay. Buchholz relay. Impedance relay. Mho relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 20-25% 45-55% 30-40% 60-70% 20-25% 45-55% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend All of above. Working head. Nature of load. Speed. All of above. Working head. Nature of load. Speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 500 kW 250 kW 300 kW 750 kW 500 kW 250 kW 300 kW 750 kW ANSWER DOWNLOAD EXAMIANS APP
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